Cities on Interstate 15 on a Map

Can you name the 12 largest cities on Interstate 15 - with the help of a map?

Based on CringeDragon's US Highways series

Also try the Interstate 95 version

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Last updated: October 24, 2021

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First submitted	March 23, 2021
Times taken	1,861
Average score	58.3%
Rating	4.50
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Pop.	City
1.41 mil	San Diego, CA
634,773	Las Vegas, NV
216,089	San Bernardino, CA
197,756	Salt Lake City, UT
116,403	Provo, UT
86,833	Ogden, UT
84,500	St. George, UT
61,459	Idaho Falls, ID
58,835	Great Falls, MT
55,525	Pocatello, ID
33,964	Butte, MT
32,024	Helena, MT

Level 56

Mar 23, 2021

I know the borders look a little messed up, but I hand-drew the map and something seemed to go wrong. Not sure if it's an Inkscape problem or a JetPunk problem. Sorry about that!

Level 52

Mar 29, 2021

How did you make the borders so nice, even hand-drawn?

Level 56

Mar 29, 2021

You can style borders (and any other types of paths) in Inkscape to make it look even better than this. CringeDragon does this on a lot of his quizzes, just copy one of them, do ctrl shift x and the styling will show up. you can tweak the styling to make it look however you want

Level 71

Mar 23, 2021

8/12. Nice quiz!

Level 56

Mar 23, 2021

Thanks!

Level 68

Mar 23, 2021

What has gotten into you Dodoma? Your maps are getting better and better! :D

Level 56

Mar 23, 2021

Lol! Thanks

Level 84

Mar 23, 2021

Nice map! Maybe accept Salt Lake?

Level 56

Mar 23, 2021

Oops, I messed up the Regex. Fixed!

Level 71

Mar 23, 2021

Just type SLC xd

Level 85

Mar 24, 2021

I think there are several other cities on I-15 in Utah that are bigger than Helena. For example: Orem, Lehi, Draper, Murray, and Layton.

Level 56

Mar 24, 2021

Interesting, I'll take a look

Level 88

Nov 9, 2021

Yeah, I thought the same thing. If you are counting suburbs there would be several in Southern California, North Las Vegas Nevada, and several on the Wasatch Front in Utah that would beat out the Montana and Idaho cities.

Level 65

Mar 24, 2021

Amazing route quiz! You should ask CringeDragon if he would ask for these in his series! Nominated!

Level 56

Mar 24, 2021

Yep! I'm making these quizzes because Cringe stopped doing so about a year ago and there were a lot of prominent routes he didn't make quizzes for, so I'm gonna finish off the job for him :)

Level 68

May 20, 2021

Nice! Can Vegas work for Las Vegas please?

Level 56

Oct 2, 2021

yes, fixed

Level 59

Dec 2, 2021

I literally typed san bernardino but for my entire life I thought it was san Bernadino i never knew that extra r was there

Level 67

Nov 9, 2022

You're not alone my friend. Feeling a little slow right now.

Level 56

Dec 3, 2021

Riverside should probably be included. It's used as a control city for northbound I-15 in SD County and the Temecula Valley. Corona is also on the signs at the southern 215 split, but I don't know if that counts or not.

Level 70

Dec 8, 2021

Excellent quiz! Only heard of about half of these. And the map looks really good too. Here's hoping it gets featured :D